105 lines
3.5 KiB
C++
105 lines
3.5 KiB
C++
#include <mbgl/renderer/sources/render_geojson_source.hpp>
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#include <mbgl/renderer/render_tile.hpp>
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#include <mbgl/renderer/paint_parameters.hpp>
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#include <mbgl/tile/geojson_tile.hpp>
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#include <mbgl/renderer/tile_parameters.hpp>
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#include <mbgl/algorithm/generate_clip_ids.hpp>
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#include <mbgl/algorithm/generate_clip_ids_impl.hpp>
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namespace mbgl {
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using namespace style;
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RenderGeoJSONSource::RenderGeoJSONSource(Immutable<style::GeoJSONSource::Impl> impl_)
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: RenderSource(impl_) {
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tilePyramid.setObserver(this);
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}
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const style::GeoJSONSource::Impl& RenderGeoJSONSource::impl() const {
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return static_cast<const style::GeoJSONSource::Impl&>(*baseImpl);
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}
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bool RenderGeoJSONSource::isLoaded() const {
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return tilePyramid.isLoaded();
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}
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void RenderGeoJSONSource::update(Immutable<style::Source::Impl> baseImpl_,
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const std::vector<Immutable<Layer::Impl>>& layers,
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const bool needsRendering,
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const bool needsRelayout,
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const TileParameters& parameters) {
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std::swap(baseImpl, baseImpl_);
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enabled = needsRendering;
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GeoJSONData* data_ = impl().getData();
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if (data_ != data) {
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data = data_;
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tilePyramid.cache.clear();
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if (data) {
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const uint8_t maxZ = impl().getZoomRange().max;
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for (const auto& pair : tilePyramid.tiles) {
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if (pair.first.canonical.z <= maxZ) {
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static_cast<GeoJSONTile*>(pair.second.get())->updateData(data->getTile(pair.first.canonical));
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}
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}
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}
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}
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if (!data) {
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tilePyramid.tiles.clear();
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tilePyramid.renderTiles.clear();
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return;
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}
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tilePyramid.update(layers,
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needsRendering,
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needsRelayout,
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parameters,
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SourceType::GeoJSON,
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util::tileSize,
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impl().getZoomRange(),
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[&] (const OverscaledTileID& tileID) {
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return std::make_unique<GeoJSONTile>(tileID, impl().id, parameters, data->getTile(tileID.canonical));
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});
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}
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void RenderGeoJSONSource::startRender(PaintParameters& parameters) {
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parameters.clipIDGenerator.update(tilePyramid.getRenderTiles());
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tilePyramid.startRender(parameters);
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}
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void RenderGeoJSONSource::finishRender(PaintParameters& parameters) {
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tilePyramid.finishRender(parameters);
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}
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std::vector<std::reference_wrapper<RenderTile>> RenderGeoJSONSource::getRenderTiles() {
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return tilePyramid.getRenderTiles();
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}
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std::unordered_map<std::string, std::vector<Feature>>
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RenderGeoJSONSource::queryRenderedFeatures(const ScreenLineString& geometry,
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const TransformState& transformState,
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const std::vector<const RenderLayer*>& layers,
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const RenderedQueryOptions& options,
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const CollisionIndex& collisionIndex) const {
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return tilePyramid.queryRenderedFeatures(geometry, transformState, layers, options, collisionIndex);
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}
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std::vector<Feature> RenderGeoJSONSource::querySourceFeatures(const SourceQueryOptions& options) const {
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return tilePyramid.querySourceFeatures(options);
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}
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void RenderGeoJSONSource::onLowMemory() {
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tilePyramid.onLowMemory();
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}
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void RenderGeoJSONSource::dumpDebugLogs() const {
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tilePyramid.dumpDebugLogs();
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}
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} // namespace mbgl
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